zxhfirefox

class Test {
  let networkClient: NetworkClient
  let jsonSerilizer: JSONSerilizer
  let logger: Logger
  
  func run(completion: @escaping (Result) -> Void) {
    let url: URL = URL(...)
    logger.log("send request to \(url)"
    networkClient.request(url) { [weak self] response, error in
      guard let self = self else { return }